3921519

素因数分解:

$3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:164

約数の個数: 32

約数和(自身を含む): 6323200

約数和(自身を除く): 2401681

約数列:

[1, 3, 7, 21, 37, 49, 103, 111, 147, 259, 309, 343, 721, 777, 1029, 1813, 2163, 3811, 5047, 5439, 11433, 12691, 15141, 26677, 35329, 38073, 80031, 105987, 186739, 560217, 1307173, 3921519]

約数ペア:

[(1, 3921519), (3, 1307173), (7, 560217), (21, 186739), (37, 105987), (49, 80031), (103, 38073), (111, 35329), (147, 26677), (259, 15141), (309, 12691), (343, 11433), (721, 5439), (777, 5047), (1029, 3811), (1813, 2163)]